original description(ofPleurotoma brunnea Perkins, 1869)Perkins G.H. (1869). Molluscan fauna of New Haven. A critical review of all the marine, fresh water and land Mollusca of the region, with descriptions of many of the living animals and of new species. Part 1. Cephalopoda and Gasteropoda-. <em>Proceedings of the Boston Society of Natural History.</em> 13: 109-136., available online athttp://biodiversitylibrary.org/bibliography/14762page(s): 121 [details]

original description(ofClathurella jewetti Stearns, 1873)Stearns R.E.C. (1873). Descriptions of new marine shells from the west coast of Florida. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 25: 344-347.page(s): 346, fig. 4 [details]